<!doctype html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
    </head>
    <body>
        <script>
            function iterate(obj) {
                const res = []
                for (let key in obj) {
                    if (obj.hasOwnProperty(key)) {
                        res.push(`${key}:${obj[key]}`)
                    }
                }
                return res
            }
            function Person(name) {
                this.name = name
            }
            console.log(iterate(new Person('well'))) // ['name:well']
        </script>
    </body>
</html>
